Righetti Ridolfi K711N 40mm Rear Wheel Hub - 115mm Length Black - Shifter & 206 KartsMaximizing rear end grip and stability demands high caliber go kart components, and the Righetti Ridolfi 40mm x 115mm rear hub delivers exactly that for high horsepower applications. Designed specifically for karts running a 40mm rear axle, this extended 115mm hub is the definitive solution for dialing in traction on low grip circuits or managing the aggressive torque of shifter karts. By widening the clamping surface and extending the leverage point
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